A dog’s sense of smell is far more powerful than a human’s.

Certain ants can detect chemical trails left by their colony.

Fact #448 · Animals

Some animals use camouflage to avoid predators.

Fact #336 · Animals

A blue whale's tongue can weigh as much as an elephant.

Fact #443 · Animals

Some sharks detect electrical signals from other animals.

Fact #128 · Animals

Many birds use Earth's magnetic field for navigation.

Fact #388 · Animals

A toucan’s beak is lightweight despite its size.

Fact #526 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

A kangaroo cannot walk backward easily.

Fact #375 · Animals